KR20000023530A - 전기 회로들에 의해 발생되는 왜곡을 감소시키는 제어시스템용 이중 측대역 파이로트 기술 - Google Patents
전기 회로들에 의해 발생되는 왜곡을 감소시키는 제어시스템용 이중 측대역 파이로트 기술 Download PDFInfo
- Publication number
- KR20000023530A KR20000023530A KR1019990041779A KR19990041779A KR20000023530A KR 20000023530 A KR20000023530 A KR 20000023530A KR 1019990041779 A KR1019990041779 A KR 1019990041779A KR 19990041779 A KR19990041779 A KR 19990041779A KR 20000023530 A KR20000023530 A KR 20000023530A
- Authority
- KR
- South Korea
- Prior art keywords
- circuit
- electrical circuit
- signal
- control system
- signals
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 7
- 230000009977 dual effect Effects 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 23
- 230000003595 spectral effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/26—Automatic controllers electric in which the output signal is a pulse-train
- G05B11/30—Automatic controllers electric in which the output signal is a pulse-train using pulse-frequency modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
- H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
- H03F1/3235—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction using a pilot signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3212—Using a control circuit to adjust amplitude and phase of a signal in a signal path
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
- Stereo-Broadcasting Methods (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Noise Elimination (AREA)
Abstract
Description
Claims (3)
- 왜곡을 발생시키는 전기 회로(108)를 구비하는 제어 시스템에서, 상기 전기 회로는 경계들(304, 306)에 의해 규정된 동작 주파수 대역을 갖고 파이로트 신호는 상기 전기 회로에 인가되고 상기 파이로트 신호는 상기 제어 시스템에 의해 사용되어 상기 왜곡을 실질적으로 소거하는, 상기 제어 시스템에 있어서,상기 동작 주파수 대역의 바깥에 위치되고 상기 동작 주파수 대역의 경계들에 근접하는 이중 측대역 파이로트 신호들(306, 308)을 발생시켜, 상기 파이로트 신호들로부터 정보를 얻도록 구성되는 캐리어 회로(156)를 구비하며, 상기 정보는 상기 제어 시스템에 의해 사용되어 상기 왜곡을 실질적으로 소거하는 제어 시스템.
- 제1항에 있어서,이중 측대역 파이로트 신호들을 발생시키기 위하여 상기 캐리어 회로에 결합되는 이중 측대역 변조기(154)를 구비하는 제어 시스템.
- 제1항에 있어서,상기 제어 시스템에 결합되고 상기 전기 회로에 인가되거나 이 회로에 의해 발생되는 어떤 신호 및 상기 이중 측대역 파이로트 신호들간에 어떠한 간섭도 없이 상기 이중 측대역 파이로트 신호들로부터 정보를 얻도록 구성되는 검출 회로(180)를 구비하는 제어 시스템.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9/162,553 | 1998-09-29 | ||
US09/162,553 US6157254A (en) | 1998-09-29 | 1998-09-29 | Double side band pilot technique for a control system that reduces distortion produced by electrical circuits |
US09/162,553 | 1998-09-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000023530A true KR20000023530A (ko) | 2000-04-25 |
KR100719779B1 KR100719779B1 (ko) | 2007-05-21 |
Family
ID=22586123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990041779A KR100719779B1 (ko) | 1998-09-29 | 1999-09-29 | 전기 회로들에 의해 발생되는 왜곡을 감소시키는 제어 시스템용 양측파대 파일럿 기술 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6157254A (ko) |
EP (1) | EP0991210B1 (ko) |
JP (1) | JP4209051B2 (ko) |
KR (1) | KR100719779B1 (ko) |
CN (1) | CN1116736C (ko) |
AU (1) | AU764149B2 (ko) |
BR (1) | BR9904247A (ko) |
CA (1) | CA2279444C (ko) |
DE (1) | DE69941660D1 (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6411644B1 (en) * | 1998-09-29 | 2002-06-25 | Lucent Technologies Inc. | Frequency hop pilot technique for a control system that reduces distortion produced by electrical circuits |
JP3533351B2 (ja) * | 1999-12-28 | 2004-05-31 | 日本無線株式会社 | フィードフォワード増幅器及びその制御回路 |
US6320461B1 (en) * | 2000-05-12 | 2001-11-20 | Jhong Sam Lee | Ultra-linear feedforward RF power amplifier |
JP2002101138A (ja) * | 2000-09-26 | 2002-04-05 | Toshiba Corp | フィードフォワード型リニアライザ |
US6525603B1 (en) * | 2001-01-05 | 2003-02-25 | Remec, Inc. | Feedforward amplifier linearization adapting off modulation |
US7436900B2 (en) * | 2001-03-28 | 2008-10-14 | Lucent Technologies Inc. | Intermodulation distortion identification and quantization circuit for a linear amplifier system |
WO2003003569A1 (en) * | 2001-06-29 | 2003-01-09 | Remec, Inc. | Balanced distortion reduction circuit |
DE60238234D1 (de) * | 2001-08-21 | 2010-12-23 | Panasonic Corp | Vorwärtsgekoppelter Verstärker und Verfahren zum vorwärtsgekoppelten Verstärken |
US6919764B2 (en) * | 2003-03-11 | 2005-07-19 | Andrew Corporation | Amplifier control system with statistical enhancement of resolution of digital control signals |
JP4431325B2 (ja) * | 2003-05-26 | 2010-03-10 | 株式会社日立国際電気 | 増幅装置 |
KR20080052085A (ko) * | 2006-12-07 | 2008-06-11 | 한국전자통신연구원 | 크기 차동 위상 편이 변조 장치 및 그 방법 |
CN101145860B (zh) * | 2007-07-06 | 2010-09-08 | 哈尔滨工程大学 | 实时校正信道相位幅度的装置 |
FR2924542B1 (fr) * | 2007-11-29 | 2010-01-01 | Lpa Concepts | Amplificateur hf large bande comportant un systeme de reduction de distorsion et procede de reduction de distorsion associe |
JP5593609B2 (ja) * | 2008-12-23 | 2014-09-24 | 日本電気株式会社 | 歪補償回路と歪補償方法と通信装置 |
JP6280697B2 (ja) * | 2013-05-27 | 2018-02-14 | サイプレス セミコンダクター コーポレーション | パワーアンプ装置及びその補償方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2945451B2 (ja) * | 1990-07-25 | 1999-09-06 | 日本電信電話株式会社 | フィードフォワード増幅器 |
JP3171924B2 (ja) * | 1992-05-28 | 2001-06-04 | 富士通株式会社 | フィードフォワード増幅器 |
JP3367745B2 (ja) * | 1994-04-05 | 2003-01-20 | 株式会社東芝 | 歪補償器 |
JPH0856126A (ja) * | 1994-08-10 | 1996-02-27 | Kokusai Electric Co Ltd | 歪補償増幅回路 |
JP3361657B2 (ja) * | 1995-07-20 | 2003-01-07 | 松下電器産業株式会社 | フィードフォワード増幅器の制御装置および制御方法 |
JP2917904B2 (ja) * | 1996-04-15 | 1999-07-12 | 日本電気株式会社 | フィードフォワード増幅器 |
US5796304A (en) * | 1996-04-24 | 1998-08-18 | Powerwave Technologies, Inc. | Broadband amplifier with quadrature pilot signal |
US5774018A (en) * | 1996-09-18 | 1998-06-30 | Hughes Electronics Corporation | Linear amplifier system and method |
US5926067A (en) * | 1998-09-29 | 1999-07-20 | Lucent Technologies Inc. | Sweep pilot technique for a control system that reduces distortion produced by electrical circuits |
US5986499A (en) * | 1998-12-21 | 1999-11-16 | Lucent Technologies Inc. | Pilot signal detection system using band reject filter |
-
1998
- 1998-09-29 US US09/162,553 patent/US6157254A/en not_active Expired - Fee Related
-
1999
- 1999-07-30 CA CA002279444A patent/CA2279444C/en not_active Expired - Fee Related
- 1999-09-20 BR BR9904247-9A patent/BR9904247A/pt not_active IP Right Cessation
- 1999-09-21 DE DE69941660T patent/DE69941660D1/de not_active Expired - Lifetime
- 1999-09-21 EP EP99307452A patent/EP0991210B1/en not_active Expired - Lifetime
- 1999-09-22 AU AU48859/99A patent/AU764149B2/en not_active Ceased
- 1999-09-27 JP JP27205999A patent/JP4209051B2/ja not_active Expired - Fee Related
- 1999-09-28 CN CN99120768A patent/CN1116736C/zh not_active Expired - Fee Related
- 1999-09-29 KR KR1019990041779A patent/KR100719779B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1250251A (zh) | 2000-04-12 |
CN1116736C (zh) | 2003-07-30 |
CA2279444C (en) | 2005-11-29 |
US6157254A (en) | 2000-12-05 |
DE69941660D1 (de) | 2010-01-07 |
EP0991210A2 (en) | 2000-04-05 |
BR9904247A (pt) | 2001-01-16 |
JP2000124839A (ja) | 2000-04-28 |
EP0991210A3 (en) | 2003-05-07 |
AU4885999A (en) | 2000-03-30 |
KR100719779B1 (ko) | 2007-05-21 |
AU764149B2 (en) | 2003-08-14 |
JP4209051B2 (ja) | 2009-01-14 |
CA2279444A1 (en) | 2000-03-29 |
EP0991210B1 (en) | 2009-11-25 |
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